diff --git a/glm/detail/setup.hpp b/glm/detail/setup.hpp
index e22c43c1..00853019 100644
--- a/glm/detail/setup.hpp
+++ b/glm/detail/setup.hpp
@@ -862,7 +862,7 @@ namespace detail
 #	define GLM_FORCE_ALIGNED_GENTYPES
 #endif
 
-#if GLM_HAS_ALIGNOF && (GLM_LANG & GLM_LANG_CXX11_FLAG) && (defined(GLM_FORCE_ALIGNED_GENTYPES) || (GLM_CONFIG_SIMD == GLM_ENABLE))
+#if GLM_HAS_ALIGNOF && (GLM_LANG & GLM_LANG_CXXMS_FLAG) && (defined(GLM_FORCE_ALIGNED_GENTYPES) || (GLM_CONFIG_SIMD == GLM_ENABLE))
 #	define GLM_CONFIG_ALIGNED_GENTYPES GLM_ENABLE
 #else
 #	define GLM_CONFIG_ALIGNED_GENTYPES GLM_DISABLE